Substratum water control



Sept. 14, 1943. L. A. SCHMIDT, JR

susTRATUM WATER CONTROL Filed June 25, 1942 2 Sheets-Sheet 1 EnnuhWWJIHHHR :Ilm

Lew/'5 A. SChm/b, Jr.'

. INVENTOR ATTRNEY SePf- 14, 1943- L. A. SCHMIDT, JR 2,329,223

SUBSTRATUM WATER CONTROL Filed Jukne 25, 1942 2 Sheets-Sheet 2 a B'YATTORNEY tions, 'there is 'objection to the use of cast-'in-place greenconcrete from the back pressure-setup' byL driving vthe forms foradjacentpiles.:A l' 7 "for a dam structure inorderlthatjits'loundafthroughadam foundation .in/order that'-r such such that `the character,of the str'tumam the is v:to provi moriolithicstructure inunstablesubstratumf A furtherfobject'ofthis invention is to `provide amethod'for forming a imonolithic structure 'in'y --substratum withaminimum off Vibration-in or'der- 5,0 y y beneathfthe headwater onoverburden123.. f'zCasfing 25 i's'i-nserted intoathe (template 'Iatthe'postion correspondingto channel 9,"and vsaid chanfnlelfisflthenidrilled to? the desired depth.A The vide @method-for for Yg'rate'df''structuresl -Vin 'pervious substratuminfa mannersuch`as-toprevent iluid pe'anetlrfationp'e-v f Patented Sept. 14, 17943,

-Appllication June 2 3, v194 vThis invention relatesto' raprocessiofforming- `Y'nrionolithic*or' integrated "structures,- at leasta portion?igif-which rests in a pervious substratum.

This invention isV directedr particularly-to hy- 'dr'aulicstructureswhi'hhayev a foundation leak#- `vageof such` magnitude rthat anyAattemptata-nor- 10 mal grouting procedure is precluded. vItfurtherconcerns hydraulic structures having ahead-dif-` ferential of suchmagnitude .that'the flowA of water throughthe cavity in the Substrat/umis' of such velocity `that-the grout is'washed away as'fast asi '15` itf is placed. A1so',` `the invention' 'f concerns a foundation 'conditionwhere Athe size or ertent` of rthe cavitiesy is''too.great toi prmit'rsucce'ssful y groutin'g with tenacious material'such'asasphalt. 1

Thislinvention also contemplates fthe forma- 20 tion' ofstructuralelements such Vaspile'sin'- strata,y fwhetheror not such stra-ta arepbrous, under conditionssuchthatit' is not feasible topermitexclusive-'vibrations Whichr` usuallyr accompanyA 'the driving ofconventional-forms lof piles'.L Urider the conditionsencounteredin'ce'rtain locapile based upon the probability of 'injurytothe The principal objectfof this'inventionl is .tofprovide a process forthe "formation-of va cutoiswall tion may be' preserved from harmfulerosion,V

thereby protecting the dam'gstructure itself. lAln g5 `other 1 objectoffthisinvention is Lto providefa #method for arrestingv `the leakage ofWater Water maybeotherwise effectively utilized; Still y anotherlyobject ofi rthis inventionl is 1 to'. provide f ai 40' method forforming integratedstructures in sub- --strata of unknownchar'acteris'tic's4 ini amanner y "integrity ofthe structurewmay beprogressively tdetermined. -A further object of this inver'itionf45-- dea method for the productioniofa that? adjacent structures susceptibleSto substantial A*vibration may' (be unaffected fby @injury through useof* the usual 'procedures' employed. Arifadditional` object of thisinvention-'iste pro-m ming' monolithic 'or finte-"f 55vtweerffportionsof solidiable material used t0 form the structure aftersuch solidiable lmaterial is placed, to prevent thesolidiable mate- .6o

A .Schinidt,Jr.,lLookoutMountain,

y rial 'from `ing such substratum.

if Fig. 2 is a sectional planview thro TRoL i' y asoma; No, `448,171

i claims. (outil-n.11),

of March 18S-3f, as'v 11,30, 1928: aiuole-757x being removed by sowing.underground water, to prevent adjacent ,material inf the' substratumintermingling with thesolidiablef material andfpreventfailurevofthe-'solidiable materialdue to initial interminglingitherewithby the constituentsof the ground-#water as such matefrialjis beingplaced.` Other objects offthislinvention include ythe l provisionsof`'an-v.ec'on'orx'iical i method for forming ymonolithic or =integratedstructures in poroussubstratum without-dewater- Ifhave discoveredamethod for the controlof "Water in aliquid pervioussubstratumfbyproviding' a'pluralityof spaced parallelchannelsin said substratu'mtransversely! positioned ;in respect `to the normalldirectionof 'o ofwater! through said substratum; by forming f ai monolithic L element ineachof 'said channels; by providing Vajspaced intersecting{substantially`the entire' length 4of each Aadi acent pair '-of said-monolithicelements;

and by forming ka monolithic" element inl each yof saidvsecond-mentioned channels Vcontiguous to o f k.said Imst-mentionedmonolithic ele` ments. v In the acco mp'anyingI drawings; which form .a

r partofthe specification; and wherein reference symbolsfrefer 'to vlikeparts wherever .they occur,` Fig'fll isatransverse, Vertical :sectionalview so-throughlthe spillway'sectionfof adam structure 'and the.subiacent-l liquid 'perviouslA sbstratum taken on-` I'-`I andIf-l-'I'ofl IFigg`2f showing one Y embodiment of the present inventi on; i pughthe liquid pervious substratum taken on. 2;2 of! Fig. l,

showing thevarious'stages in'the operation of the method/'ofeif'e'ctinglwater control therein; f Fig.Y 3``-is`-\a=-vertical,part-sectional 'view-"of the arrangement shownlinfFig; 2. 'o

tendency i'to' Wash .faw'ay any groutas fast as .itis

@placedtemplate 'I Withl'fopenings thereinffto f correspond to'the'spaced relationship of channels 2li-are successively'. drilled and"amonolithic element :formed ytherein'fafter 'th'eforma'tion of amonolithic element, in channel4! asi-'illustrated stepwise in theresepctive channels II, I 3', and I5 as shown in Fig'. 3, An assemblycom-

